# Dating the fossil record worksheet answers

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Here is another of a completed project. One species appeared to have become extinct prior to the californian era. Extinction of species is common; most of the species that have lived on the earth no longer exist.\
&#x20;![dating the fossil record worksheet answers](https://image.slidesharecdn.com/chapter6section2cluesaboutevolutionslideshare-120425124037-phpapp02/95/chapter-6-section-2-clues-about-evolution-6-728.jpg?cb=1335358217)\\

Even secular geologists now recognize that rocks form very quickly. Sequencing the rock layers will show the students how paleontologists use custodes to give relative dates to rock strata. In your own words. Lots behoove character is credible publicize, much elbow days adequate near luminary everywhere a fresh species. All of the fossils represented would be found in sedimentary rocks of marine origin. Keep in mind that extinction is forever. Fossils Showing top 8 worksheets in the category - Fossils. This also means that fossils found in the lowest levels in a sequence of layered rocks represent the oldest record of life there. Note to Teacher: Each group will need a set of servile cards and a fossil key for. From Do fossils require millions of years to form. Once these answers are shared and evaluated, students would be prepared. Once you find your worksheet, click on pop-out icon or print icon to worksheet to print or download.

Dating The Fossil Record Mr Altenberg Washington Middle School. Naturally, Jolene and Cletus wanted to find out which fossils were the oldest. If certain fossils are typically found only in a particular rock unit and are found in many places worldwide, they may be useful as index or guide fossils in determining the age of undated strata.\
&#x20;![dating the fossil record worksheet answers](https://i0.wp.com/www.guillermotull.com/wp-content/uploads/2017/11/fossil-worksheets-semnext.png?fit=800%2C600\&ssl=1)\\

**OLogy - American Museum of Natural History** - The fossils within rock layer OXD i.\
&#x20;![dating the fossil record worksheet answers](http://image1.slideserve.com/2098452/slide6-n.jpg)\\

General Instructions and Tips You may want to print out the , as it is formatted to print pages cleanly. You can copy the webpage into an editor, such as word or openoffice and modify it for your classroom needs. If you repost, be sure to , which is how the page is licensed. All of my worksheets can probably be improved upon, and definitely make changes if needed to fit with your own class and schedule. You will need large poster paper to set up the record. I've used construction paper taped together if that's what I have laying around. Students like to pick colors too. Analysis Questions - these are fairly open ended, I usually grade the project as a WHOLE, and not dwell on specific errors. Give a brief description of the evolutionary changes that occured in the organism. During which time period did the fossils differentiate into two branches. Explain how the chart illustrates both punctuated equlibrium and gradualism. Use specific fossils from the chart to support your answer. Gradualism is illustrated by slow changes over time 4. Making the assumption that each fossil represents a separate species. Explain how the chart illustrates divergent and phyletic speciation. Use specific fossils from the chart to support your answer. Examine the fossil that was unearthered in a museum, apparently the labels and other information were lost. Using your fossil record, determine the time period this fossil is likely from. Montanian or californian 7. Of the two major species that arose from the parent species, which was more successful? How do you know? One species appeared to have become extinct prior to the californian era. Draw these right on your fossil record. Here is another of a completed project.
